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| author | Prasad J Pandit <pjp@fedoraproject.org> | 2020-08-11 17:11:27 +0530 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-02-08 15:15:32 +0100 |
| commit | 24202d2b561c3b4c48bd28383c8c34b4ac66c2bf (patch) | |
| tree | f91ce9e387eeae36f49920f2c37a5f5b2ca40352 /hw/vfio/pci-quirks.c | |
| parent | 4f2a5202a05fc1612954804a2482f07bff105ea2 (diff) | |
| download | qemu-24202d2b561c3b4c48bd28383c8c34b4ac66c2bf.zip qemu-24202d2b561c3b4c48bd28383c8c34b4ac66c2bf.tar.gz qemu-24202d2b561c3b4c48bd28383c8c34b4ac66c2bf.tar.bz2 | |
vfio: add quirk device write method
Add vfio quirk device mmio write method to avoid NULL pointer
dereference issue.
Reported-by: Lei Sun <slei.casper@gmail.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20200811114133.672647-4-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/vfio/pci-quirks.c')
| -rw-r--r-- | hw/vfio/pci-quirks.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index fc8d63c..c5c4c61 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -14,6 +14,7 @@ #include CONFIG_DEVICES #include "exec/memop.h" #include "qemu/units.h" +#include "qemu/log.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/module.h" @@ -264,8 +265,15 @@ static uint64_t vfio_ati_3c3_quirk_read(void *opaque, return data; } +static void vfio_ati_3c3_quirk_write(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid access\n", __func__); +} + static const MemoryRegionOps vfio_ati_3c3_quirk = { .read = vfio_ati_3c3_quirk_read, + .write = vfio_ati_3c3_quirk_write, .endianness = DEVICE_LITTLE_ENDIAN, }; |